Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 9.10
Milk (kg) -163.00 -0.014 2.28
Fat (kg) -10.76 -0.375 4.03
Prot (kg) -6.31 -0.441 2.78
Fertility Sub Index 5.69
Calving Interval (days) -2.68 -1.459 3.91
Survival (%) 1.59 1.117 1.78
Calving Sub Index -0.40
Gestation Length (days) 0.44 -0.919 -0.40
Beef Sub Index -3.13
Carcass Weight (kg) 4.10 -0.528 -2.16
Age of Slaughter (days) 2.24 -0.432 -0.97
Maintenance Sub Index Maint. Sub Index 2.61
Live WT (kg) -8.50 -0.307 2.61
Total Carbon Sub Index 13.86

* Based on an €80/tonne carbon price